Question 18 (0.75 points) If someone asks a question that you cannot answer, OA) dismiss the question as irrelevant to avoid having to admit that you don't know B) maintain your credibility by trying to bluff your way around the question C) don't be afraid to say, "I don't know" D) dismiss the question, saying that you will answer it later E) never say "I don't know" Question 21 (0.75 points) Which of the following is a function of the conclusion of your presentation? A) Preview the organization of your presentation. B) Make the next steps clear to your audience. C) Motivate your audience to care about your presentation. D) Establish rapport with your audience. E) Get your audience's attention